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SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act,1956)


Course & Branch :B.SC
-

MICRO

Title of the Paper :Microbial Nanotechnology

Max. Marks :80

Sub. Code :630604







Time : 3 Hours

Date :10/03/2010







Session :FN

_______________________
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PART
-

A (10 x 2 = 20)


Answer ALL the Questions


1.

How would you differentia
te a micro and a nano system?


2.

List out any two specific applications of nanotechnology in drug
delivery.


3.

How would you differentiate a nanoparticle and a nanopore?


4.

List out any two specific applications of quantum dots.


5.

Specify the mechanis
m by which microbes are used for
nanoparticles synthesis.


6.

What are the advantages of using microbes for nanoparticle
synthesis?


7.

List out any two applications of alginates produced by microbes.


8.

Define a S
-
layer protein.


9.

What is a nano
-
bio ch
ip?


10.

What is a nano bio
-
sensor?


PART


B



(5 x 12 = 60)

Answer All the Questions


11.

Write an essay on the sequential steps involved in the
characterization of a synthesized silver nanoparticle.

(or)

12.

Compare and contrast between the physical,
chemical and the
biological methods of nano
-
particle synthesis.



13.

What do you mean by a carbon nanotube? Give an account on the
applications of carbon nano tubes.

(or)

14.

What are the different microscopic techniques involved in
determining the shape
and the size of a nano
-
particle?


15.

How would you synthesise the biopolyester particles? Elucidate
the potential applications in detail?

(or)

16.

Give an account on the biochemistry and the commercial
applications of magnetosomes in bacteria.


17.

Explai
n with suitable illustrations the role of nanomotors in
cellular navigation.

(or)

18.

How would you relate the bacterial protein complexes with the
nanotech applications?


19.

How is microbial nanotechnology useful in disease diagonosis
and treatment?

(or)

20.

How is molecular biomimetics useful in the construction of a
nano biosensor?